C警告:声明不起作用 [英] C Warning: Statement with no effect
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问题描述
gcc -pedantic -Wall -ansi
我收到警告:警告:没有效果的语句
引用此行:
pre $ for(currentDirection; currentDirection< = endDirection; currentDirection ++)
任何人都可以帮我解决这个问题吗?解决方案
b for(; currentDirection< = endDirection; currentDirection ++)
或者,如果您忘记初始化变量:
$ p $ for(currentDirection = 0; currentDirection < = endDirection; currentDirection ++)
When trying to compile my prgram with:
gcc -pedantic -Wall -ansi
I get the warning: warning: statement with no effect
Referring to this line:
for(currentDirection; currentDirection <= endDirection; currentDirection++)
Can anyone help me with this?
解决方案
currentDirection;
does nothing.
Replace your line with
for(; currentDirection <= endDirection; currentDirection++)
Or, in case you just forgot to initialize the variable:
for(currentDirection = 0; currentDirection <= endDirection; currentDirection++)
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